105 RQT5968SymptomUnit doesn't operate.No sound from the speaker.When using earphone (not included),there is no sound or it is difficult to hearor there is noise.“U01” appears on the display.Recording stops.Recording not made.The date of recording appears as “– – – –”.Playback speed is too fast or slow.“FULL” appears when trying to make arecording.Cannot erase a folder or file.The clock flashes “12:00”.ENGLISHTroubleshooting guideBefore requesting service for this unit, check the chart below for a possible cause of the problem you are experiencing. Some simple checksor a minor adjustment on your part may eliminate the problem and restore proper operation.If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem, refer to the directory ofAuthorized Service Centers (enclosed with this unit) to locate a convenient service center, or consult your dealer for instructions.CheckpointsIs HOLD on?Is the battery cover properly closed?Is earphone (not included) connected?Is the volume turned down?Is the earphone plug fully inserted?Is the plug dirty? (Wipe away dirt on plug.)Have the batteries run down?Has VAS functioned?Did the batteries or cover come loose during recording?Has the time been set?(The date of recording is not displayed unless the time has been set.)Has playback speed been changed? (Set to the required speed.)Have 99 files been recorded in the folder?Has the recording time limit been made? Erase unneeded files.Have you selected an empty folder?Is the file locked?Set the clock.Page6460888488—6280—668870—9666